Back to THERMODYNAMICS
NEET UG PHYSICS MCQ: THERMODYNAMICS
1
Easy
1 of 1
Understanding
+4 | -1
Assertion: First law of thermodynamics is a restatement of the principle of conservation.
Reason: Energy is fundamental quantity.
Reason: Energy is fundamental quantity.
View answer and explanation
Correct option: C
If assertion is true, but reason is false
Option C (If assertion is true, but reason is false) is correct because the first law of thermodynamics is indeed a restatement of the principle of conservation of energy, but energy being a fundamental quantity is not the correct explanation for this.
More Questions from THERMODYNAMICS
Practice All Chapter MCQs β
The work done during expansion of a gas is independent of pressure if the expansion takes place
When heat is added to a system, which of the following is not possible?
The relation for an adiabatic expansion is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
A Carnot engine has efficiency . Efficiency becomes when temperature of sink is decreased by 50 K (keeping source fixed). What is the original temperature of the sink? If sink and source temperature of a refrigerator are and respectively. Then efficiency of refrigerator is The unit of mechanical equivalent of heat is
